Crusher roll



arrasar WILLIAIV A. BAT'IEY, OF'HAVERFORD FENNSYLVAN, ASSIGNQR TO PENIEISYL- VNIA CRUSHF-Pe COMPANY, OF NEW YORK, N. Y., el. GORl-GRATIGN GF NEVI CJR-HEHE?, ROLL.

Specification of Letters atent.

lffatei'iterl Mar. 28,

nppiicauon fue@ nenember 17, leso. semi no. 431,437.

invention being to provide a novel form of sectional or built up roll involving relatively simple and substantial means for holding its sections together, and for permitting their easy replacement when worn or broken.

Another object of the invention is to'provide a roll ofthe above type with novel means for removably connecting its sections or segments to supporting hubs, together ivith a novel device for spacing or holding apart said hubs, when the section-retaining` means is set up or tightened.

I also desire to provide a sectional Crusher or breaker roll With means for facilitating the .separation or disassembly of its parts.

These objects and other advantageous ends I attain as hereinaftr set forth, reference being had to the accompanying diL-aivings, in which,

Fig. l is a longitudinal, vertical section of a crushing roll and its associated shaft constructed in accordance with my invention;

Fig. 2 is a transverse vertical section on the line 2 2, Fig. l:

Fig. 3 is a longitudinal vertical section on a larger scale than Figs. l and 2, illustrating the detail construction of one of the sections of the roll; and

Fig. l is a transverse vertical section on the line i-*4, Fig. 3.

ln the above drawings, l represents a rollsupporting and driving' shaft to which are keyed or otherwise fixed a pair of hubs 2 having each a ,radially extending flange or plate portion 3, preferably of circular outline. Supported by these flanges is a series of any desired number of externally toothed cylindrically curved segments et, together constituting the barrel or body of a crushing roll and these segments are provided With outwardly projecting teeth or knobs which may be of any desired form and arrangement, there being also longitudinally extending ribs et formed on the inner sides of said segments. These ribs serve to stiften and otherwise strengthen the segments and while they are shown in detail in Figs. 3 and l they havebeen omitted from F ig. l to avoid confusion. ln the apparatus illustrated l have shown the teeth as in two sets of different lengths and sizes.

At or adjacent its ends, each segment is provided with inwardly extencing lugs and these lugs project immediately adjacent the outer face of the hub flange 3. Each of said lugs is provided with an opening, preferably7 cylindrical in outline, in line with a tapered opening iii the adjacent flange l 7 extend through the opening in each of the lugs 8 into the adjacent openings in the huh flange, for which purpose they are cylindrically formed Where they pass through the lugs 8 and are frusto conical. where they enter kthe opening of said flange. .The doivels '.7 for the lugs of each drum section el: are in alignment and are made in tubular form for kthe reception of bolts 9 which extend through them andare threaded at their ends for the reception of nuts.

ln assembling the parts of the roll, the bolts 9 are inserted through the lugs S of the sections l and the flanges 3 of the hubs, ii'hicli have been previously keyed in place upon the shaft l, and the dowels 7 are then placed on said bolts and inserted through the aligned pairs of holes of the flanges and lugs after Which the nuts on said bolts are set up to rigidly hold the doivels in the flanges and thus retain the toothed sections Ll in their assembled positions.

ln order to prevent the hubs approaching each other ivhen the-'nuts on the bolts 9 are up. l provide-the adjacent faces of the flanges 3 with two or more aligned holes for the reception of separator bars l0, Whose enus are of reduced section so as to enter said holes While their body portions are shouldered to cause them to act as struts between the flanges for the purpose noted.

ln order to facilitate the disassembly of the roll or the removal of one or more of its toothed sections. l provide the bolts 9 with shoulders ll adjacent the inner ends of the dowels 7, so that after the nut has been removed at one end of any bolt, said end may be tapped with a light hammer, whereupon the shoulder adjacent the opposite end of the boli, will he caused to act upon the adjacent doivel to force it out ot the tapered hole in the iange rl`hereatter the nut may be removed Yfrom the second end ot the bolt and the opposite dowel may be similarly removed.

By the above construction l am enabled to build up a structurally strong, substantial crusher roll, any ot Whose sections may be quickly and conveniently removed or replaced in the event ot breakage or wear of any ot' the teeth thereon.

While l have shown the sections ot the roll as provioed with teeth ot ditl'erent lengths, it is of course to be understood that the dimensions, numbers and arrangement of said teeth are immaterial, since the Construction or form of the operating or active tace oi" 'he roll or sections thereof is immaterial so tar as the present invention is concerned.

l claim:

l. A crushing roll consisting ot a supporting` structure including a pair of hubs; a

series ot sections mounted on said hubs to torni the body ot the roll; means including' doivels extending axially ot the roll through said hubs and into the sections for holding them in position and retaining members eX- tending into-the doivels.

Q. A crushing roll consisting ot a supporting structure including a pair ot hubs; a series ot sections mounted on said hubs to form the body ot the roll and each including inivardlv extending lugs; with dowels extending through the lugs into the hubs and each having a trusto conical portion` for rigidly holding the sections .in place.

3. A crushing` roll consisting ot' a supporting structure including-'a pair ot hubs:V a series ot sections mounted on said hubs to form the body ot the roll and each including inwardly extending lugs; dowels eX- tending'througb the lugs into the hubs tor holding the sections in place; and bolts cxtending through the dowels otl each section for holding them in position. K

4t. A crushing roll consisting ot a pair` oi hubs; a series oit sections mounted on said hubs to Yform the body ot' the roll and each having inwardly extending lugs; dowels o2;- tending through said lugs into the hubs and each having a tapered portion, with means for holding said doivels in place.

5. A Crusher roll consisting of hubs each having a series ot' tapering holes therein; a series of sections mounted on said hubs to form the body-ot the roll and each having inwardly projecting lugs provided Evith ing the lugs to the hubs; and bolts tor holding` the doivels in place.

7. A crushing roll consisting ot supporting hubs; a series of sections jmounted on the hubs to form the body ot the roll and having lugs extending adjacent thehubs; means including tapered dovrels for connecting the lugs to the hubs; and bolts for holdingl the dovvels in place, each of said bolts having at least one shoulder positioned to be driven against the smaller end o'f the don'el when this is to be removed. j

8. A crushing roll consisting ot a pair ot hubs; a series of sections mounted on said hnbsto 'form the body ot' vthe roll; means for holding said sections to the hubs including a series ot axially extending` bolts havingl means tending to -dravv the Vhubs to'-` gether Vwith independent struts tor limiting the moveinent'of the hubs toivard each other under the actionV of said bolts.

9. A crushing roll consisting' ot a pair ot hubs; a series of sections mounted on said hubs to torni the body of the roll; means .tor holding said sections to the hubs including a series of axially extending bolts Vhaving means tending todraw the hubs together; with means or'limiting the movement Vot the hubs toward each other under the action ot said bolts, consisting ot shouldered spacing bars mounted between said hubs.

shaft; two upwardly flanged'V hubs fixed thereon; a series oit sectionsmounted upon the anges' ot' said hubs to form a substantially cylindrical body structure and each having inwardly projecting lugs extending adjacent the outer faces ot' the flanges respectively; members holding each ot the lugs to its adjacent flange; and bolts i" or retaining said members in place.

WILLniM a. Barrier.

l0. The combination ot a sujiijjiorting 

